{-# LANGUAGE TemplateHaskell #-}

-- This file is part of the Wire Server implementation.
--
-- Copyright (C) 2025 Wire Swiss GmbH <opensource@wire.com>
--
-- This program is free software: you can redistribute it and/or modify it under
-- the terms of the GNU Affero General Public License as published by the Free
-- Software Foundation, either version 3 of the License, or (at your option) any
-- later version.
--
-- This program is distributed in the hope that it will be useful, but WITHOUT
-- ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
-- FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
-- details.
--
-- You should have received a copy of the GNU Affero General Public License along
-- with this program. If not, see <https://www.gnu.org/licenses/>.

module Brig.Effects.PublicKeyBundle where

import Control.Exception
import Data.ByteString qualified as BS
import Data.ByteString.Conversion
import Data.PEMKeys
import Imports
import Polysemy

data PublicKeyBundle m a where
  Get :: FilePath -> PublicKeyBundle m (Maybe PEMKeys)

makeSem ''PublicKeyBundle

interpretPublicKeyBundle :: (Member (Embed IO) r) => Sem (PublicKeyBundle ': r) a -> Sem r a
interpretPublicKeyBundle = interpret $ \(Get fp) -> do
  contents :: Either IOException ByteString <- liftIO $ try $ BS.readFile fp
  pure $ either (const Nothing) fromByteString contents
